/*******************************************************************************
 *
 * Copyright (C) 2017 Xilinx, Inc.  All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * Use of the Software is limited solely to applications:
 * (a) running on a Xilinx device, or
 * (b) that interact with a Xilinx device through a bus or interconnect.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * Except as contained in this notice, the name of the Xilinx shall not be used
 * in advertising or otherwise to promote the sale, use or other dealings in
 * this Software without prior written authorization from Xilinx.
 *
*******************************************************************************/
/******************************************************************************/
/**
 *
 * @file XMathOperations.h
 *
 * This file implements all the functions related to math operations.
 *
 * @note	None.
 *
 * <pre>
 * MODIFICATION HISTORY:
 *
 * Ver   Who  		Date     	Changes
 * ----- ---- 		-------- 	-----------------------------------------------
 * 1.0   Alok G  	10/06/17 	Initial release.
 * </pre>
 *
*******************************************************************************/
/******************************* Header Files ********************************/



#ifndef XMATHOPERATIONS_H
#define XMATHOPERATIONS_H
#include "XCVector.h"
#include <cmath>
#include <cstdlib>

#ifndef M_PI
#define M_PI 3.14159265358979323846f
#endif 

    inline float distanceBetweenPoints(const CVec2f& point1, const CVec2f& point2)
    {
	    return sqrtf((point2.x - point1.x) * (point2.x - point1.x) + (point2.y - point1.y) * (point2.y - point1.y));
    }

  
    inline float degreesToRadians(float degrees)
    {
        return M_PI * degrees / 180.0f;
    }

    inline float signum(float f)
    {
	    if (f > 0.0f) 
	    {
		    return  1.0f;
	    }
        
	    if (f < 0.0f) 
	    {
		    return -1.0f;
	    }

	    return 0.0f;
    }

    inline float uniformRandomNumber()
    {
	    return rand() / float(RAND_MAX);
    }
#endif /* MATHOPERATIONS_H */
